-er -ic bbb bbc bbe bbi bbr bbs bbx bcb bcc bce bci bcr bcs bcx be- beb bec bee bei ber bes bex bi- bib bic bie bii bir bis bix brb bre bri brr brs brx bsb bsc bse bsi bsr bss bsx bxb bxi bxx c-- cbb cbc cbe cbi cbr cbs cbx ccb ccc cce cci ccr ccs ccx ce- ceb cec cee cei cer ces cex ci- cib cic cie cii cir cis cix crb crc cre cri crr crs crx csb csc cse csi csr css csx cxc cxi cxr cxs cxx ebb ebc ebe ebi ebr ebs ebx ec- ecb ecc ece eci ecr ecs ecx eeb eec eee eer ees eex eib eic eie eii eir eis eix erb erc ere eri err ers es- esb esc ese esi esr ess esx ex- exc exe exi exr exs exx ibb ibc ibe ibi ibr ibs ibx icb icc ice ici icr ics ie- iec iee iei ier ies iex iib iic iie iii iir iis iix ir- irb irc ire iri irr irs irx is- isb isc ise isi isr iss ixc ixe ixi rbb rbc rbe rbi rbr rbs rbx rcb rcc rce rci rcr rcs rcx re- reb rec ree rei rer res rex rib ric rie rii rir ris rix rrb rrc rri rrr rrs rsb rsc rse rsi rsr rss rsx rxr rxs sbb sbc sbe sbi sbr sbs sbx scb scc sce sci scr scs scx se- seb sec see sei ser ses sex sib sic sie sii sir sis six sr- srb src sre sri srr srs srx ss- ssb ssc sse ssi ssr sss ssx sxc sxi sxs xbc xbe xbr xbx xcb xci xcr xcx xee xer xes xex xic xie xii xis xix xrc xrx xsb xsc xsi xss xxi xxx

bbbb bbbs bbci bbeb bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bcie bcis bcrs bcsc bcss bebb bebe bebi beci becs beeb beer bees beic beir beis berc bere beri berr bers bes- bese bess bibb bibe bibi bibs bicc bice bici bics bieb bier bies biis birb bire biri birr birs birx bis- bisc bise biss bixi brcb brce breb brec bree brei brer bres brex bric brie bris brix brrr brrs brsb brsr bsci bscs bseb bsec bsee bser bses bsic bsix bssc bsse cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbir cbre cbsc cbse cbsi ccbc cccb cccc ccci cccs ccee ccic ccii ccir ccis ccix ccrc ccre ccri ccrs ccsi ccss ccxi cebs cec- cece ceci cecs ceeb ceec cees cer- cerc cere ceri cers cesc cese cesi cesr cess cexe cibc cibe cibi cicc cici cicr cics ciee cier cies ciii ciis cirb circ cire ciri cirr cirs cis- cisc cise cisr ciss cixi crbc crcc crce crcr cre- creb crec cree crei cres crex crib cric crie cris crss cscb cscc csce csci cscr cscs csec csee cser csib csir csis csix csrc csrs csse cssr cxii cxix cxxi cxxx ebbc ebbr ebbs ebcc eber ebes ebic ebis ebix ecbc ecbe eccb eccc ecce ecci eces ecib ecis ecrc ecri ecrr ecsc ecse ecss eecs eeee eees eerc eers eese eesi eics eiec eiei eier eies eire eirs eise eiss er-x erbb erbe ercc erce ereb erec erei erer eres eric erie eris errc erre errs erse ersi esbs escb esce esci escr escs esee eser eses esie esis esri esse essi exec exer exes exis exrx i-be ibcs ibec ibes ibex ibie ibis ibrc ibri ibss icbc icbs iccb iccc icci iccr iccs icec icee icer ices icex icis icrc icre icrr icrs icsb icsc icse icsi icsr icss iecc ieie iere ieri iers iesc iesi iesr iies iiie iiii iiis iirc iirs iisc iisi iisr irbe ircc ircs ircx iree irer ires irex iri- iric irie iris irix irrc irre irri irrs irse isbe isbx iscc isci iscr iscs iseb isec isee iser ises isic isie isis isri issc isse issi issr isss ixxi rbbb rbbr rbbs rbis rbss rcbc rccb rccc rccs rcic rcis rcsc rcsi rcss rebb rebe rebs recc rece reci recr recs reeb rees reii reir reis rere reri rers rese resi ress rexx rib- ribe ribs ricc rice rics rier ries riex riis rire riri rirs risc rise risi riss rixc rixe rrrr rsbi rscc rscs rsee rsis rsre rxes s-ib s-ic s-ii sbbs sbcc sbcs sber sbic sbse sbsi scbi sccc scce sccs scec scee scer sci- scic scie scir scis scr- scrc scre scri scrs scsc scsi scsr se-c se-e se-i se-s se-x sebe sebi sebs sec- secc sece secr secs seeb seec seer sees seex seie seii seir seis seix serb serc sere seri serr sers sesc sese sesi sess sex- sexe sexi sibc sibe sibi sibs sicc sice sici sics siec sier sies siex sirc sire siri sirr sirs sisc sise sisi siss sixe sixx srbc srcc sreb srec sres srib sris ssbr sscc ssce ssci sscs ssec ssee sses ssex ssis ssrc ssri ssrs sssb sssc sssi ssss xbee xces xcii xcis xcri xeer xer- xers xexe xibe xics xiii xisi xixi xxii xxix xxxi xxxx

bbbee bbser bbsrc bcers be-er beber bebes bebic becic beebe beebs beeri beers beibi beice beier beire beirs berbe berec berei beres berie beris berre berri berse besee besic besie besix besri besse bessi bibbe bibbs biber bibes bibic bibie bibis bibri bicer bices bicsi biebe biebs biere bieri biers birie birrs birse bisce bisee bisei biser bises bisie bisse bixie bre-x brece breer brees brere brers brese bress bribe brice brics briec brier bries brisb brise brisi briss brixx brrrr brsec cbers cbirs ccccc cccii cciii ccxii cebec ceber cebes ceci- cecie cecri ceere ceese ceiss cerc- cerce cerci cercs cerec cerer ceres ceric cerie ceris cerre cerrs cerse cerss cesce cescr cesis cesse ciber cibir cicer cicis circe circs cires cirex ciric cirie ciris cirr- cirri cirs- cirse ciser cises cisie cisse